SiC和SiC_Al在TMA空间遥感器中的应用_任建岳.pdfVIP

SiC和SiC_Al在TMA空间遥感器中的应用_任建岳.pdf

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SiC和SiC_Al在TMA空间遥感器中的应用_任建岳

16   12   Vol.16 No.12 2008 12             Optics and Precision Engineering          Dec.2008  1004-924X(2008)12-2537-07 SiC SiC/Al TMA 任建岳, 陈长征,何 斌,王 兵 (中国科学院长春光学精密机械与物理研究所, 吉林 长春 130033) :(MA), , MA SiC SiC/Al 。 SiC SiC/Al , SiC 8 072.92, 3~8 , SiC/Al 1 687.50, 5 ~ 9 。 , ;, 。, , MA 。   :空间遥感器;比刚度;热稳定性;SiC;SiC/Al :V243.5;N304.24  :A Application of SiC and SiC/Al to TMA optical remote sensor REN Jian-yue,CHEN Chang-zheng,HE Bin, WANG Bing (Chang chun I nsti tu te of Op tics,F in e M echani cs and P hy si cs ,Chinese A cad emy of S ciences , Chang chun 130033,Ch ina ) Abstract: he application environment for remote sensor in space is described and the importance of selected material and its effect on design of the hree Mirror Anastigmat (MA)remote sensor are in- troduced, the new materials SiC and SiC/Al with high-thermal conductivity and high specific stiffness are selected to design for a lighting MA remote sensor. he SiC and SiC/Al are compared with com- mon materials.Compared results show that the comprehensive figure of merit of SiC is 8072.92, which is 3 to 8 times that of a traditional optical material and that of the SiC/Al is 1687.50, 5 to 9 times that of a traditional mechanical materials. he modal analysis and test results for the central framework in the remote sensor are given to prove the correct of the analysis model. he M F of the remote sensor in the space is calculated by means of optical/mechanical/thermal integrate analysis, the results both of analysis and test prove that these new materials have improved all the mechanical char- acteristics, thermal stability and flexibility of the remote sensor in spatial environment . Key words:aerial remote sensor;specific stiffness;thermal stability;SiC;SiC/Al   :2008-07-08;:2008-11-12.   :863 (No.86

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